Lamp



FIG. 1 is a perspective view of a lamp in accordance with a first embodiment of the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective view of a lamp in accordance with a second embodiment of the claimed design;

FIG. 4 is a front view thereof;

FIG. 5 is a perspective view of a lamp in accordance with a third embodiment of the claimed design;

FIG. 6 is a front view thereof;

FIG. 7 is a perspective view of a lamp in accordance with a fourth embodiment of the claimed design; and,

FIG. 8 is a front view thereof.

The broken lines shown on the drawings depict portions of the lamp that form no part of the claimed design. 

CLAIM We claim the ornamental design for a lamp, as shown and described. 